From cylindrical to spherical nanosized micelles by self-assembly of poly(dimethylsiloxane)-b-poly(acrylic acid) diblock copolymers

被引：0
|
作者：
Kalinova, Radostina [1 ,3 ]
Ngo, T. Chinh [2 ,4 ]
Mincheva, Rosica [1 ]
Lazzaroni, Roberto [2 ]
Leclere, Philippe [2 ]
Dubois, Philippe [1 ]
机构：
[1] Univ Mons UMONS, Ctr Innovat & Res Mat & Polymers CIRMAP, Lab Polymer & Composite Mat, 20 Pl Parc, B-7000 Mons, Belgium
[2] Univ Mons UMONS, Ctr Innovat & Res Mat & Polymers CIRMAP, Lab Chem Novel Mat, 20 Pl Parc, B-7000 Mons, Belgium
[3] Bulgarian Acad Sci, Inst Polymers, Acad G Bonchev Str,Block 103-A, BU-1113 Sofia, Bulgaria
[4] Duy Tan Univ, Inst Res & Dev, K7-25 Quang Trung, Da Nang, Vietnam
来源：
POLYMER BULLETIN | 2016年 / 73卷 / 08期
关键词：
TRANSFER RADICAL POLYMERIZATION; ANIONIC-POLYMERIZATION; BLOCK-COPOLYMER; STYRENE; POLYDIMETHYLSILOXANE; PDMS;
D O I：
10.1007/s00289-016-1598-2
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
PDMS-b-PAA block copolymers were synthesized in a two-step procedure. The first step involves atom transfer radical polymerization (ATRP) of the protected ethoxyethyl acrylate (EEA) monomer initiated with alpha-bromopoly(dimethylsiloxane) (PDMS) ( = 10,000 g/mol) macroinitiator. In the second step the synthesized poly(dimethylsiloxane)-b-poly(ethoxyethyl acrylate) (PDMS-b-PEEA) was deprotected by thermal treatment. The aggregation properties of the copolymers were investigated by atomic force microscopy (AFM) and dynamic light scattering (DLS). The influence of the polymer concentration, the length of the PAA block, the (mixed) solvent composition, and annealing on the size and the shape of the aggregates was evaluated. The results show that the aggregate size and morphology can be successfully controlled by tuning the experimental conditions. These copolymers might possibly be used in the preparation of adhesive materials.
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收藏
页码：2129 / 2146
页数：18
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